US Bridges

County Highway over Timber Creek

Fair

McKenzie County, North Dakota · 4 N 3 E Alexander · Structure no. 000000027122170

Built
2000
25 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

County Highway over Timber Creek is a prestressed concrete tee beam carrying County Highway over Timber Creek in McKenzie County, North Dakota. It was built in 2000, so it is 25 years old, younger than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 20 by 2038. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Highway
CrossesTimber Creek
Location4 N 3 E Alexander
RouteCounty Highway 0
CountyMcKenzie County
StateNorth Dakota
Coordinates47.8984, -103.58341
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.7 US tons
Inventory rating43.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic20 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Timber Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Highway over Timber Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does County Highway over Timber Creek carry?

About 20 vehicles per day (2018 count).

How long is County Highway over Timber Creek?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns County Highway over Timber Creek?

It is owned by the County Highway Agency.